311303000211011 has 4 divisors (see below), whose sum is σ = 329614941399912. Its totient is φ = 292991059022112.

The previous prime is 311303000210999. The next prime is 311303000211013. The reversal of 311303000211011 is 110112000303113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 311303000211011 - 2¹⁸ = 311302999948867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 18311941188883 = 311303000211011 / (3 + 1 + 1 + 3 + 0 + 3 + 0 + 0 + 0 + 2 + 1 + 1 + 0 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311303000211013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9155970594425 + ... + 9155970594458.

It is an arithmetic number, because the mean of its divisors is an integer number (82403735349978).

Almost surely, 2^{311303000211011} is an apocalyptic number.

311303000211011 is a deficient number, since it is larger than the sum of its proper divisors (18311941188901).

311303000211011 is a wasteful number, since it uses less digits than its factorization.

311303000211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18311941188900.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 311303000211011 its reverse (110112000303113), we get a palindrome (421415000514124).

The spelling of 311303000211011 in words is "three hundred eleven trillion, three hundred three billion, two hundred eleven thousand, eleven".